Security readout for executives and security teams
Plain-English summary
This is a low-severity AppArmor policy enforcement flaw. Mount rules may become broader than intended when profiles are compiled, reducing the protection expected from those rules. The source bundle does not show remote exposure or active exploitation.
Executive priority
Handle through normal vulnerability management, prioritizing systems where AppArmor mount rules are part of a containment boundary for sensitive workloads. This does not appear to justify emergency response from the provided evidence.
Technical view
CVE-2016-1585 affects AppArmor mount rule compilation. The CVE description states that mount rules are accidentally widened when compiled, with all AppArmor versions listed as affected. CVSS 3.0 is 3.9: local attack vector, high complexity, high privileges required, and low confidentiality, integrity, and availability impact.
Likely exposure
Exposure is most relevant on Linux systems using AppArmor profiles that include mount rules. Systems without AppArmor, without enforcing profiles, or without mount-rule reliance are less likely to be materially affected.
Exploitation context
The bundle marks KEV as false and provides no evidence of active exploitation. The CVSS vector indicates local access, high attack complexity, and high privileges are required, making this more of a defense-in-depth policy bypass concern than an internet-facing emergency.
Researcher notes
The public bundle is sparse. One listed Apache MINA mailing-list reference appears unrelated by title, so the AppArmor CVE record, CVE List entry, and Launchpad bug are the meaningful sources to verify details. No CWE, patch version, or exploit status is provided.
Mitigation direction
- Check AppArmor and Linux distribution advisories for corrected packages or guidance.
- Update AppArmor packages where vendor-supported fixes are available.
- Review profiles that depend on mount rules for strict containment.
- Reduce reliance on AppArmor mount rules as the only control for sensitive mounts.
Validation and detection
- Inventory systems running AppArmor in enforcing mode.
- Identify AppArmor profiles containing mount rules.
- Confirm whether vendor advisories list installed AppArmor versions as fixed or affected.
- Review profile intent against compiled or enforced mount behavior where tooling supports it.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2016-1585 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Low
- CVSS
- 3.9 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L0.53.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
3.9LowVector: CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L
Source materials
- CVE List V5 sourceCVE List V5
- https://bugs.launchpad.net/apparmor/+bug/1597017CVE reference · x_refsource_MISC
- [mina-dev] 20210225 [jira] [Created] (FTPSERVER-500) Security vulnerability in common/lib/log4j-1.2.17.jarCVE reference · mailing-list, x_refsource_MLIST
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.